LM3409-Q1 - 用于高功率 LED 驱动的 PFET 降压控制器

LM3409-Q1是TI德州仪器公司的一款汽车类LED驱动器产品，LM3409-Q1是用于高功率 LED 驱动的 PFET 降压控制器，本站介绍了LM3409-Q1的封装应用图解、特点和优点、功能等，并给出了与LM3409-Q1相关的TI元器件型号供参考。

LM3409-Q1 - 用于高功率 LED 驱动的 PFET 降压控制器 - 汽车类LED驱动器 - LED驱动器 - 德州仪器

产品特性

LM3409Q/LM3409QHV is an Automotive Grade Product That is AEC-Q100 Grade 1 Qualified
2-Ω, 1-A Peak MOSFET Gate Drive
VIN Range: 6 V to 42 V (LM3409/LM3409Q/LM3409N)
VIN Range: 6 V to 75 V (LM3409HV/LM3409QHV)
Differential, High-Side Current Sense
Cycle-by-Cycle Current Limit
No Control Loop Compensation Required
10,000:1 PWM Dimming Range
250:1 Analog Dimming Range
Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
Low-Power Shutdown and Thermal Shutdown
Thermally Enhanced VSSOP-10 Package
Dual Inline Package (LM3409N)

产品应用

LED Driver
Constant Current Source
Automotive Lighting
General Illumination

产品说明

The LM3409/09N/09HV/09Q/09QHV are P-channel MOSFET (PFET) controllers for step-down (buck) current regulators. They offer wide input voltage range, high-side differential current sense with low adjustable threshold voltage and fast output enable/disable function and a thermally enhanced VSSOP-10 package. These features combine to make the LM3409 family of devices ideal for use as constant current sources for driving LEDs where forward currents up to 5 A are easily achievable.

The LM3409 devices use Constant Off-Time (COFT) control to regulate an accurate constant current without the need for external control loop compensation. Analog and PWM dimming are easy to implement and result in a highly linear dimming range with excellent achievable contrast ratios. Programmable UVLO, low-power shutdown, and thermal shutdown complete the feature set.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM3409	HVSSOP (10)	3.00 mm × 3.00 mm
LM3409	PDIP (14)	19.177 mm × 6.35 mm
LM3409-Q1	HVSSOP (10)	3.00 mm × 3.00 mm
LM3409HV
LM3409HV-Q1

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